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Videos/Shows: NoiseTorch, Kubernetes With Raspberry Pi, and More

Filed under
GNU
Linux
  • Your Microphone NEEDS This Linux Audio App

    RTX Voice-style noise filtering on Linux? WITHOUT any required hardware? That's the dream. Meet NoiseTorch, an incredible audio utility for Linux that works on ANY application (not just OBS). Let me demo it for you and hear the magic for yourself! WEAR HEADPHONES during this video for the best experience.

  • Building a 10-Node Kubernetes Cluster on Raspberry Pi & Ubuntu Server

    Have you thought about setting up your very own Kubernetes cluster consisting of multiple Raspberry Pi's? It's not as hard as it sounds, and in this video, I'll show you how to set it up. Although this video will show the process of creating a ten node cluster, you don't have to have 10 nodes - as long as you have at least two, you'll be all set.

  • Plex Skeptics | Self-Hosted 44

    Plex announces some big plans that make us a little nervous, Alex solves Chris's tablet performance woes, and we chat about Prometheus.

    Plus, our thoughts on Duplicati alternatives and more.

  • LHS Episode #410: The Weekender LXXI

    It's time once again for The Weekender. This is our bi-weekly departure into the world of amateur radio contests, open source conventions, special events, listener challenges, hedonism and just plain fun. Thanks for listening and, if you happen to get a chance, feel free to call us or e-mail and send us some feedback. Tell us how we're doing. We'd love to hear from you.

  • Linux Malware goes undetected since 2018?!

    A new Linux malware has been discovered that targets 64-bit Linux installs including IoT devices. Potentially linked to the Torii botnet, this malware's mysterious origin and obfuscated plugin system makes analysis quite difficult.

Fedora 34 Review - Impressive Performance and Stability with Cutting-Edge Linux

Filed under
Linux
Reviews

It has been some time I am using Fedora 34 and I believe it's time for a Fedora 34 review. Here I put down my experience with Fedora 34 overall in its workstation edition.
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IPFire 2.25 - Core Update 156 released

Filed under
Linux
Security

Another update is available: IPFire 2.25 - Core Update 156. As usual for this time of the year, it is a spring clear release that updates lots of software and brings a new exciting feature: Live Graphs.

Before we talk about what is new, I would like to as you for your support for our project. IPFire is a small team of people from a range of backgrounds sharing one goal: make the Internet a safer place for everyone. Like many of our open source friends, we’ve taken a hit this year and would like to ask for your continued support. Please follow the link below where your donation can help fund our continued development: [https://www.ipfire.org/donate]((https://www.ipfire.org/donate).

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Linux for Starters: Your Guide to Linux – Choose a Distro – Part 2

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Linux

This is a series that offers a gentle introduction to Linux for newcomers.

You’ve decided that you want to try Linux but are unsure how to proceed. You are confused by the many hundreds of Linux distributions (distros) available. Which distro should you try?

There is no ‘perfect distribution’ and there isn’t a magical answer to the question. It’s a decision which will depend on your requirements and personal preferences. The best way we can help is to focus on a few key considerations.

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PINE64 indoor LoRa gateway to combine Pine A64-LTS SBC with RAK2287 LoRaWAN concentrator module

Filed under
Linux
Hardware
Debian
Ubuntu

RAKwireless has offered Raspberry Pi-based indoor LoRaWAN gateways for development/evaluation purposes for several years, including the more recent RAK7246 LoRaWAN developer gateway equipped with Raspberry Pi Zero W SBC.

But there’s will soon be another option, also not directly from RAKwireless, as Pine64 indoor LoRa gateway will feature RAK2287 LoRaWAN concentrator module connected to Pine A64-LTS single board computer via a custom-designed adapter board.

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Soft unbricking Bay- and Cherry-Trail tablets with broken BIOS settings

Filed under
Development
Linux
Hardware

As you may know I've been doing a lot of hw-enablement work on Bay- and Cherry-Trail tablets as a side-project for the last couple of years.

Some of these tablets have one interesting feature intended to "flash" Android on them. When turned on with both the volume-up and the volume-down buttons pressed at the same time they enter something called DNX mode, which it will then also print to the LCD panel, this is really just a variant of the android fastboot protocol built into the BIOS. Quite a few models support this, although on Bay Trail it sometimes seems to be supported (it gets shown on the screen) but it does not work since many models which only shipped with Windows lack the external device/gadget-mode phy which the Bay Trail SoC needs to be able to work in device/gadget mode (on Cherry Trail the gadget phy has been integrated into the SoC).

So on to the topic of this blog-post, I recently used DNX mode to unbrick a tablet which was dead due to the BIOS settings get corrupted in a way where it would not boot and it was also impossible to enter the BIOS setup. After some duckduckgo-ing I found a thread about how in DNX mode you can upload a replacement for the efilinux.efi bootloader normally used for "fastboot boot <android-bootimg.img>" and how you can use this to upload a binary to flash the BIOS. I did not have a BIOS image of this tablet, so that approach did not work for me. But it did point me in the direction of a different, safer (no BIOS flashing involved) solution to unbrick the tablet.

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Behind the Scenes of System76: Industrial Design

Filed under
GNU
Linux
Hardware
Interviews

The way my brain works lends itself well to engineering, for better or for worse. There’s a lot of really solid engineers who don’t have much creativity, and then there are a lot of people who have great creative ability, but can’t do math. I kind of fluctuate in the middle; I wouldn’t say I’m the best at math or the most creative person in the entire world, but I have enough of each that the combination pushed me towards mechanical engineering. I like working with my hands, and it’s more of a study of how things work in the real world versus computer science, which is a purely digital and nontangible practice.

During school I worked mainly as a bike mechanic, and that helped me to think about how to build things better. That led me to my first internship at a bike company working in a wind tunnel, which was really fun. Realizing that I could probably never get a job there—or at least one that would pay me enough to live—I started working at an environmental engineering company, where I prototyped scientific sampling systems for R&D that would process materials with all these gasses at really high heat and tried not to die. It was kind of fun making these large-scale systems that were basically just gigantic science experiments, but I didn’t really have the creative outlet I wanted in terms of making something that looks good.

One of the main things that drew me to System76 was being able to have a solid influence on what tools we were able to use and how we were going to push the design. In the past three years, it’s pretty wild to see what we’ve been able to accomplish coming from a completely empty warehouse to being able to crank out parts.

I had also previously, while working at these scientific instrument companies, been working with a local company to design and develop a cargo bicycle, so I had that experience as well in terms of consumer product development with overseas manufacturing. I think that helped get me in the door here.

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Sensory’s custom voice assistant debuts on a Linux-based microwave

Filed under
GNU
Linux

Sensory announced that its 100 percent locally processed TrulyHandsfree technology can be used to create custom voice assistants without sacrificing privacy, as demonstrated in a new Linux-based Farberware FM11VABK microwave.

Sensory’s Linux-ready TrulyHandsfree voice stack has apepared on embedded Linux products such as Estone Technology’s i.MX8M Mini based EMB-2237-AI and i.MX8M powered EMB-2238 Pico-ITX SBCs, as well as Renesas’ RZ/G Solution for HMI kit. Now Sensory has announced that its TrulyHandsfree and TrulyNatural technologies are now equipped with a Custom Domain Specific Voice Assistants capability. The software’s all-local processing avoids the privacy issues found on cloud platforms such as Alexa Voice Service (AVS) and Google Assistant.

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Videos/Shows: Slimbook, Arch Linux, and Ubuntu Podcast

Filed under
GNU
Linux
  • If only I needed a new laptop... KDE Slimbook Review

    The guys at Slimbook were nice enough to shower me with laptops to review, and one of these in particular caught my eye: the Slimbook KDE. It's a very, very fancy ultraportable laptop, made in collaboration with the KDE Community, and it's probably one of the best laptops I've ever used, even outside of the Linux world, so let's take a look Become a channel member to get access to a weekly patroncast and vote on the next topics I'll cover...

  • Testing the new Arch Linux Guided Installer

    Many of you have reached out and suggested I try out the new Arch Linux guided installer, I'm granting your wish. In this video, I'll wipe my Thinkpad X1 Extreme and load Arch Linux on it, using the new installer. I'll give you a walk-through of the process, and my thoughts.

  • Ubuntu Podcast from the UK LoCo: S14E09 – Mint Badge Twist

    This week we’ve been debugging DNS and making passively cooled computers. We round up the community news, including the highlights of the 21.04 releases from the Ubuntu flavours, an event and our favourite picks from the tech news.

    It’s Season 14 Episode 09 of the Ubuntu Podcast! Alan Pope, Mark Johnson and Martin Wimpress are connected and speaking to your brain.

A Number Of Exciting RISC-V Improvements For Linux 5.13

Filed under
Linux
Hardware

From bringing up the PolarFire ICICLE SoC to adding support for KProbes, FORTIFY_SOURCE, and other new kernel features for the RISC-V architecture, the Linux 5.13 kernel changes are exciting for this open-source processor ISA.

Among the RISC-V highlights of new material in Linux 5.13 include:

- Build system improvements including better handling when building the RISC-V Linux kernel with LLVM Clang.

- Support for KProbes, the kernel debugging infrastructure for monitoring events.

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More in Tux Machines

FreeBSD's Q1 Report

This report covers FreeBSD related projects for the period between January and March, and is the first of four planned reports for 2021. The first quarter of 2021 has been very active in both FreeBSD-CURRENT and -STABLE, with 13.0-RELEASE work starting in January and finishing up mid-April. It provides lots of new features, and there’s even a good chance that some workloads will experience performance improvements. The number of entries is slightly down, and this is probably due to a combination of factors like code slush as well as the ongoing issues with COVID-19, but we naturally hope that things will look up next quarter. This combined with a switch-over to AsciiDoctor and a decision to make full use of the status report work schedule to avoid stress, means that the report can now be expected to come out at the end of the first month after the quarter has finished, rather than in the middle. This report in particular includes a number of interesting entries, covering everything from the linuxulator, various mitigation work, long-awaited work on OpenBSM, work on kernel sanitizers, and many more things that it is hoped you will enjoy reading about. Yours, Daniel Ebdrup Jensen, with a status hat on. Read more Also: FreeBSD Is Off To A Good 2021 Start With FreeBSD 13.0, PIE By Default, helloSystem

Top 3 ways to Listen Radio in Ubuntu Terminal

One of the best things about Linux is that a huge part of the things you do can be done through the terminal. The terminal is so versatile that you can even listen to the radio through it. Were you surprised? Read more

Top 3 ways to Listen Radio in Ubuntu Terminal

One of the best things about Linux is that a huge part of the things you do can be done through the terminal. The terminal is so versatile that you can even listen to the radio through it. Were you surprised? Read more

today's howtos

  • How To Install PufferPanel on Ubuntu 20.04 LTS - idroot

    In this tutorial, we will show you how to install PufferPanel on Ubuntu 20.04 LTS. For those of you who didn’t know, PufferPanel is a free, open-source web-based game server management system that allows you to create multiple game servers. With the help of PufferPanel, you can manage multiple different game servers from one central location. It supports Minecraft, Forge, Spigot, Sponge, Source Dedicated Servers, and many more others. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you through the step-by-step installation of PufferPanel on Ubuntu 20.04 (Focal Fossa). You can follow the same instructions for Ubuntu 18.04, 16.04, and any other Debian-based distribution like Linux Mint.

  • How To Optimize Laptop Battery Life With TLP In Linux - OSTechNix

    There are quite a few tools exists to power saving and battery life extension in Laptops. We already have looked at two tools namely Laptop Mode Tools and Powertop that improves the Linux Laptop battery performance. Today we will discuss yet another Laptop power management utility named TLP. TLP is a feature-rich commandline tool to optimize Laptop battery life in Linux. TLP requires zero configuration. The default settings of TLP is well optimized for saving battery power in a Linux laptop. It implements Powertop's recommendations out of the box. So you just install TLP in your Linux Laptop and forget it. TLP takes care of everything. Even though TLP's default settings are just enough to provide optimal battery life, it is highly customizable to fulfill a specific requirement.

  • Exploring PKI weaknesses and how to combat them | Enable Sysadmin

    This article is Part 3 out of three in my series about SSL/TLS encryption. Part 1 covers the basics of well-known encryption concepts. Part 2 gives a brief introduction to OpenSSL and PKI. This part broaches the issue of PKI weakness and introduces two countermeasures. First, I would like to introduce the term relying party. A relying party is a web browser, email client, chat application, etc., that is trying to validate an x.509 certificate. Most of the time, the relying party achieves that by checking whether a CA in its trust anchors signed the certificate.

  • How to find CPU utilization, what makes the system to hang

    Sometimes it happens that a process crashes and takes all the processing power of your machine. In other cases, a process simply overloads the system. It is even possible for malware to consume the entire computer resource. An example of this could be some crypto applications or bloatware. In this article, we’ll look at how to find which processes take the most CPU resources and how to deal with them.

  • How to install OBS Screen Recording Software on Ubuntu

    Open Broadcaster Software (OBS) is a free and open-source cross-platform streaming and recording program built with Qt and maintained by the OBS Project. Since 2016, the software is now referred to as OBS Studio. There are versions of OBS Studio available for Microsoft Windows, macOS, and Linux distributions (like Ubuntu).

  • Install RawTherapee in Ubuntu (Adobe Lightroom Alternative)

    RawTherapee is a powerful, cross-platform raw photo processing system, released as Free Software (GPLv3). It is designed for developing raw files from a broad range of digital cameras and targeted at users ranging from enthusiast newcomers who wish to broaden their understanding of how digital imaging works to professional photographers. RawTherapee provides a powerful suite of tools for you to produce amazing photos and showcase your creativity.

  • Install phpVirtualBox to Manage and Access Virtualbox VM's

    In previous articles, we have seen how to work with VirtualBox core features that come with the VirtualBox package. We have seen how to create Guest Virtual Machines, Different Networking options, how to protect your VM with snapshots, and how to clone VM, import, and export your virtual machines. This is going to be the last article of this VirtualBox series. phpVirtualBox is a web implementation of VirtualBox implemented in AJAX and the user interface is created with PHP. This is an open-source project and is not supported by oracle. phpVirtualBox allows you to use and control VirtualBox in a headless environment.

  • The snap developer’s guide on how to migrate to new bases | Ubuntu

    A couple of weeks ago, we published an article about Ubuntu 16.04 entering Extended Security Maintenance (ESM), and the implications of this change for snap publishers. We talked about the different options available to developers and publishers who still may rely on the older bases in their build process – free Ubuntu Advantage (UA) tokens, Launchpad and Snapcraft Build Service, snapcraft support for ESM base, and others. However, for the majority of publishers, migrating away from the ESM base (core) to core18 and core20 offers the highest degree of flexibility. This will allow them to build snaps with the latest builds of snapcraft, enjoy current and future improvements in the ecosystem, and provide their users with the best possible experience. Today, in this guide, we outline several common, practical tips for the migration to newer bases.

  • Ubuntu Install audacity ( 1 click install ) - LateWeb.Info

    Audacity is an easy-to-use, multi-track audio editor and recorder for Windows, macOS, GNU/Linux and other operating systems. developed by a group of volunteers as open source.

  • Is your Ubuntu a 32-bit or a 64-bit OS? [ GUI + Terminal ]

    In this topic we will check the architecture of our operating system. Whether we use 32 bit architecture or 64 bit. In recent years, 32-bit architectures have declined significantly, but there are still many 32-bit computer systems. We will check what our architecture is in two ways, first through the graphical environment and then through the terminal in Ubuntu 21.04 Linux.

  • How to get the status of a Linux software raid

    The current status of a Linux software raid is written to the virtual file /proc/mdstat. You can view the status on the shell easily with the cat command...

  • How to Install (Remove) Eclipse IDE in Ubuntu 21.04, 20.04 the official way | UbuntuHandbook

    This simple tutorial shows how to install the latest Eclipse IDE in Ubuntu while the one in Ubuntu Software is always old. Eclipse in Ubuntu Software is the containerized snap package and it’s old. Fortunately, an official installer is available for Linux.